IBM 6278, 6288, 6268 manual System board Keyboard port, USB port Internal Dasd

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Figures

1. Memory configurations . . . . . . . . . . . . . . . . . . . . 4. . . .

2.Video subsystem resources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6. . . . . .

3.Supported VGA video modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 . . . . .

4. Supported Enhanced VGA video modes. . . . . . . . . . . . . . . . . . . . . . . . . 7. . . . . .

5.Serial port assignments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11. . . . . .

6.Parallel port assignments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11. . . . . .

7.BIOS configuration jumper (J7A1). . . . . . . . . . . . . . . . . . . . . . . . . . . .13. . . . . .

8.Power Input Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17. . . . . .

9.Power Output (145 Watt). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17. . . . . .

10.

System board

. . . . . . . . . . . . . . . . .18 . . . .

11.

Keyboard port

. . . . . . . . . . . . . . . . 18. . . .

12.Auxiliary device. .port. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18. . . . . .

13.PCI-bus adapters (Per Slot) .either/or. . . . . . . . . . . . . . . . . . . . . . . . . 18. . . . . .

14.

USB port . .

. . . . . . . . . .

. . . . . . . . . . . .18 . . . .

15.

Internal DASD

. . . . . . . . . .

. . . . . . . . . . . . 18. . . .

16.Video port pin. . 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18. . . . . .

17.3.5-inch diskette drive reading, writing, and formatting. . . . .capabilities. . . . . . . . . 23. . . .

18.Monitor port connector pin assignments. . . . . . . . . . . . . . . . . . . . . . . . .25. . . . . .

19.System Memory Connector Pin Assignments. . . . . . . . . . . . . . . . . . . . . . .25. . . . . .

20.System memory connector pin input/output. . . . . . . . . . . . . . . . . . . . . . . 27. . . . . .

21.PCI bus connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29. . . . . .

22.PCI connector pin assignments. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29. . . . . .

23.IDE connector pin assignments. . . . . . . . . . . . . . . . . . . . . . . . . . . . 31. . . . . .

24.Diskette Drive Connector Pin Assignments. . . . . . . . . . . . . . . . . . . . . . . . 32. . . . . .

25.Power Supply Connector Pin Assignments. . . . . . . . . . . . . . . . . . . . . . . . 32. . . . . .

26.J13 Modem/Ring Wakeup Connector Pin Assignments. . . . . . . . . . . . . . . . . . 33. . . . . .

27.J22 Wake on LAN Connector Pin Assignments. . . . . . . . . . . . . . . . . . . . . .33. . . . . .

28.USB Port Connector Pin Assignments. . . . . . . . . . . . . . . . . . . . . . . . . .33. . . . .

29.Mouse port connector pin assignments. . . . . . . . . . . . . . . . . . . . . . . . . .33. . . . .

30.Keyboard port connector pin assignments. . . . . . . . . . . . . . . . . . . . . . . . 34. . . . . .

31.Serial Port Connector Pin Assignments. . . . . . . . . . . . . . . . . . . . . . . . . .34. . . . .

32.Parallel port connector pin assignments. . . . . . . . . . . . . . . . . . . . . . . . .34. . . . . .

33.System memory map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36. . . . .

34.I/O address . map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36. . . . . .

35.DMA I/O address map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38. . . . . .

36.IRQ channel assignments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40. . . . . .

37.DMA channel assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40. . . . . .

Copyright IBM Corp. September 1999

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Contents Technical Information Manual PC 300GL Types 6268, 6278, Apply 1999Are WithContents System software BiosPost System compatibilityUSB port Internal Dasd 26. J13 Modem/Ring Wakeup Connector Pin AssignmentsSystem board Keyboard port Related publications PrefaceTerminology usage IBMWhen Expressing storage Capacity MB equals Viii Technical Information Manual System overview Major featuresSystem overview Network support Other featuresRing Ring DetectChapter System FeaturesPCI bus System memorySdram DimmBus IDE bus master interfaceUSB interface Graphics memory controller hub Super Video Graphics Array Video subsystemAPM AcpiSupported Enhanced VGA video modes PC 300GL supports the following video subsystem modesSupported VGA video modes Mode Screen Resolution Colors Refresh Rate FeaturesVideo memory Monitor supportController Audio subsystemDiskette drive interface Serial portsParallel port Default setting for the serial port is COM1Keyboard and mouse ports Serial port assignmentsFlash Eeprom Network connectionExpansion adapters ClockBios configuration jumper J7A1 Cable connectorsPhysical layout JumperConnector panel for the desktop model Connector panelPhysical specifications Physical specificationsDesktop Computers Not SupportRequirements CablingPower input Power supplyPower output Power supplyComponents draw less current than Maximum Shown For Each PCI connectorComponent outputs Nominal Value Power Power That AvailableOutputs Connector pin Assignments See Appendix a Pin Power supplySystem software System softwarePlay Advanced Configuration and Power Interface Configuration/Setup Utility programDiagnostic program UtilityHardware compatibility System compatibilityHardware interrupts System compatibilityHard disk drives and controller Drive type 720 KB Mode MB ModeMachine-sensitive programs Software compatibilitySoftware interrupts Monitor connector Appendix A. Connector pin assignmentsMemory connectors Appendix A. Connector pin assignmentsPin X64 Non-Parity X72 ECC ConnectorAssignments Connector pinSystem memory connector pin input/output Pin Assignments 3. System memory connector pin input/outputPin Signal Name PCI bus connector PCI connector pin assignments PCI connectorsPin ConnectorIDE connector pin assignments IDE connectorsSupply Diskette Drive Connector Pin AssignmentsDrive USB port connectors Wakeup and Wake on LAN connectorsPort KeyboardKeyboard port connector pin assignments Serial port connectorSerial Port Connector Pin Assignments Parallel port connector pin assignments2. Parallel port connector pin assignments System Appendix B. System address mapsAppendix SystemICH1, DMA MapsO address map Are ReservedDMA I/O address map Bits Byte PointerSystem address maps ConfigurationMap Appendix C. IRQ and DMA channel assignments Appendix C. IRQ and DMA channel assignmentsIRQ channel assignments DMA channel assignmentsError Codes Appendix D. Error CodesBeep codes Complete ListReferences This Publication Appendix E. Notices and trademarksReference 300Specification Advanced PowerLow Pin Count Interface Specification ReferencesIndex IndexError Codes Power Consumption Description For

6278, 6268, 6288 specifications

The IBM 6278, 6288, and 6268 are part of IBM's extensive lineup of mid-range computers, specifically tailored for business environments in the late 1980s and early 1990s. These systems were designed to handle substantial data processing tasks, facilitating efficient business operations with robust performance and reliability.

The IBM 6278 was notable for its high-performance capabilities, making it suitable for a variety of applications ranging from transaction processing to complex computations. One of the main features of the 6278 was its multiprocessing capability, which allowed it to run multiple tasks concurrently. This was achieved through a combination of advanced hardware and software that optimized performance and resource allocation.

Similarly, the IBM 6288 was recognized for its versatility and scalability. This system incorporated enhanced memory management and was capable of handling larger workloads than its predecessors. The 6288 was designed with user-friendly interfaces and supported various input/output devices, making it easier for organizations to integrate into existing IT infrastructures. Additionally, it provided improved connectivity options, essential for modern networking needs at the time.

The IBM 6268, on the other hand, offered a balance between cost and performance, appealing to smaller businesses or those with less intensive data processing requirements. Despite being less powerful than the 6278 and 6288, the 6268 still managed to include essential features such as reliable data storage, effective processing speed, and compatibility with IBM's extensive software ecosystem.

All three models utilized IBM's proprietary operating systems, which were well-known for their robustness and security features. They were built with technologies such as error detection and correction, ensuring the integrity of data processing tasks. The architecture of these systems also allowed for easy upgrades, enabling businesses to expand their capabilities without a complete overhaul of their IT infrastructure.

In summary, the IBM 6278, 6288, and 6268 represented a significant advancement in mid-range computing technology during their era. Their main features encompassed multiprocessing, scalability, and user-friendly interfaces, making them valuable assets for businesses seeking reliable and efficient computing solutions. These systems laid the groundwork for future innovations in business computing, and despite their age, they remain a significant part of IBM's legacy in the computing industry.